The Silver Salt of a Monobasic acid on
ignition gave 60% of Ag. The molecular
mass of the acid is
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The silver salt of a monobasic acid on ignition have 60 % of Ag.
we have to find the molecular mass of the acid.
solution : here,
equivalents of silver salt = equivalents of silver
⇒mass of silver salt taken /equivalent mass of silver salt = mass of silver left/equivalent mass of silver
⇒100g/E = 60g/108g [ as equivalent mass of silver = 108g ]
⇒E = 180g
now molecular mass of acid = equivalent mass of silver salt - equivalent mass of silver + basicity
= 180 - 108 + 1
[ monobasic acid so basicity = 1 ]
= 73 g/mol
Therefore molecular mass of the acid is 73 g/mol
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